Wheelchair frame



FIG. 1 is a perspective view of an embodiment of a wheelchair frame;

FIG. 2 is a front view of the wheelchair frame design shown in FIG. 1;

FIG. 3 is a rear view of the wheelchair frame design shown in FIG. 1;

FIG. 4 is a top view of the wheelchair frame design shown in FIG. 1;

FIG. 5 is a bottom view of the wheelchair frame design shown in FIG. 1;

FIG. 6 is a right side view of the wheelchair frame design shown in FIG. 1; and,

FIG. 7 is a left side view of the wheelchair frame design shown in FIG. 1.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. The surface shading illustrated in the drawings is provided merely to highlight the contour of the design and is not intended to be illustrative texture or gloss. 

CLAIM The ornamental design for a wheelchair frame, as shown and described. 